In General, to Calculate the Rate Constant for a First $\rarr$

Multiple Choice

In general, to calculate the rate constant for a first order decomposition reaction, A $\rarr$ products, given the time needed to decrease the initial concentration by one half, which equation should be used

A) t_1/2 = 1/(k[A]_o)
B) t_1/2 = ln2/k
C) [A]_t = -kt + [A]_o
D) 1/[A]_t = kt + 1/[A]_o
E) Rate = k[A]